Cometic 4.200 MLS Head Gasket .080 - SBC CHOPCMD 020'' valves might require aftermarket

020'' valves might require aftermarket pistons notched for valve clearance

14 mm Flat Seat

2009-2012 Chevrolet Express 4500

A Variety Of Included Installation Options And Direct Plug In Harness Simplify Installation On Any Application

Cometic 4.200 MLS Head Gasket .080 - SBC CHOPCMD 020'' valves might require aftermarketComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 080". With Steam Holes. Cometic MLS (Multi Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force